42143424203 has 4 divisors (see below), whose sum is σ = 42224004888. Its totient is φ = 42062843520.

The previous prime is 42143424187. The next prime is 42143424209. The reversal of 42143424203 is 30242434124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42143424203 - 2⁴ = 42143424187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42143424209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40289558 + ... + 40290603.

It is an arithmetic number, because the mean of its divisors is an integer number (10556001222).

Almost surely, 2^42143424203 is an apocalyptic number.

42143424203 is a deficient number, since it is larger than the sum of its proper divisors (80580685).

42143424203 is an equidigital number, since it uses as much as digits as its factorization.

42143424203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80580684.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 42143424203 its reverse (30242434124), we get a palindrome (72385858327).

The spelling of 42143424203 in words is "forty-two billion, one hundred forty-three million, four hundred twenty-four thousand, two hundred three".